Re: BTX loader problem on specific hardware

2011-06-18 Thread Guido Falsi
On 06/17/11 18:01, John Baldwin wrote: I'm not sure, but maybe rdmsr or wrmsr are generating exceptions which are not managed by BTX? I could be wrong, I really dont' know that much about the internals of CPUs. Well, the old BTX didn't allow full access to CR registers. Running in real mode,

Re: BTX loader problem on specific hardware

2011-06-17 Thread John Baldwin
On Friday, June 17, 2011 11:30:28 am Guido Falsi wrote: > On Mon, Jun 13, 2011 at 11:45:07AM -0400, John Baldwin wrote: > > > > Ouch. Well, these can be a PITA to disassemble. ndisasm from the devel/nasm > > port is a good x86 disassembler that you can use. You will need to use dd > > on /dev/

Re: BTX loader problem on specific hardware

2011-06-17 Thread Guido Falsi
On Mon, Jun 13, 2011 at 11:45:07AM -0400, John Baldwin wrote: > > Ouch. Well, these can be a PITA to disassemble. ndisasm from the devel/nasm > port is a good x86 disassembler that you can use. You will need to use dd > on /dev/mem to extract INT 15's entry point from the IDT. For example: >

Re: BTX loader problem on specific hardware

2011-06-13 Thread John Baldwin
On Monday, June 13, 2011 11:26:53 am Guido Falsi wrote: > On Thu, Jun 09, 2011 at 03:43:15PM -0400, John Baldwin wrote: > > On Thursday, June 09, 2011 11:28:20 am Guido Falsi wrote: > > > Hi! > > > > > > I'm having a problem with BTX hanging on an HP 6005 Pro PC. > > > > > > I have filed a follow

Re: BTX loader problem on specific hardware

2011-06-13 Thread Guido Falsi
On Thu, Jun 09, 2011 at 03:43:15PM -0400, John Baldwin wrote: > On Thursday, June 09, 2011 11:28:20 am Guido Falsi wrote: > > Hi! > > > > I'm having a problem with BTX hanging on an HP 6005 Pro PC. > > > > I have filed a followup to an existing PR about this exact problem: > > > > http://www.fre

Re: BTX loader problem on specific hardware

2011-06-10 Thread Guido Falsi
On Thu, Jun 09, 2011 at 03:43:15PM -0400, John Baldwin wrote: > On Thursday, June 09, 2011 11:28:20 am Guido Falsi wrote: > > > > I'm having a problem with BTX hanging on an HP 6005 Pro PC. > > > > I have filed a followup to an existing PR about this exact problem: > > > > http://www.freebsd.org

Re: BTX loader problem on specific hardware

2011-06-09 Thread John Baldwin
On Thursday, June 09, 2011 11:28:20 am Guido Falsi wrote: > Hi! > > I'm having a problem with BTX hanging on an HP 6005 Pro PC. > > I have filed a followup to an existing PR about this exact problem: > > http://www.freebsd.org/cgi/query-pr.cgi?pr=151122 > > All the information there looks corre